CN220895430U

CN220895430U - Reclosing circuit breaker

Info

Publication number: CN220895430U
Application number: CN202322838697.7U
Authority: CN
Inventors: 徐进; 毛成涛; 吴理博; 马仪西
Original assignee: Dingjia Electric Appliance Co ltd
Current assignee: Dingjia Electric Appliance Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-05-03
Anticipated expiration: 2033-10-23

Abstract

The utility model discloses a reclosing circuit breaker which comprises a circuit breaker shell, wherein a plurality of phase separation plates are arranged in the circuit breaker shell, a plurality of mounting grooves are formed between the phase separation plates and the circuit breaker shell, a first copper bar and a second copper bar are arranged in the mounting grooves, two groups of second copper bars are symmetrically arranged on the left side and the right side of the first copper bar, and insulating covers are arranged on the second copper bars. According to the utility model, through the structure, a good insulation protection effect can be achieved between the second copper bar and the first copper bar, the phenomenon of current arc discharge easily occurring when current passes through is avoided, and the safety performance of the circuit breaker is improved.

Description

Reclosing circuit breaker

Technical Field

The utility model relates to the technical field of reclosing circuit breakers, in particular to a reclosing circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying and breaking current under normal loop conditions and closing, carrying and breaking current under abnormal loop conditions within a specified time, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, protection is carried out on a power line, the motor and the like, and when serious overload or short circuit, undervoltage and other faults occur on the circuit breaker, the circuit breaker can automatically cut off the circuit, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an underheating relay and the like, wherein copper bars are installed inside the circuit breaker to play a role in conveying current and the like.

At present, an insulation mechanism is not arranged on the copper bars of the existing circuit breaker, so that the phenomenon of current arcing easily occurs due to overcurrent among the copper bars during use, and the copper bars are seriously consumed in heating and are unfavorable for use.

Disclosure of utility model

The present utility model is directed to providing a reclosing circuit breaker to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The reclosing circuit breaker comprises a circuit breaker shell, wherein a plurality of phase separation plates are arranged inside the circuit breaker shell, a plurality of mounting grooves are formed between the phase separation plates and the circuit breaker shell, a first copper bar and a second copper bar are arranged in the mounting grooves, two groups of second copper bars are symmetrically arranged on the left side and the right side of the first copper bar, and insulating covers are arranged on the second copper bars.

Preferably, the first copper bar is in an in-line structure, and a first terminal interface is arranged at one end of the first copper bar.

Preferably, one end of the second copper bar is provided with a U-shaped plate, and the other end of the U-shaped plate is provided with a second terminal interface.

Preferably, the insulating cover is nested to be arranged outside the U-shaped plate through a clamp, and the inner wall surface of the insulating cover is tightly attached to the outer surface of the U-shaped plate.

Preferably, the corners of the two ends of the U-shaped plate are provided with arc chamfers.

Advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

Through being equipped with the U template on the second copper bar and being equipped with the insulating boot on the U template, can greatly improve the insulating ability of second copper bar and first copper bar adjacent department, current arc phenomenon appears in second copper bar and first copper bar adjacent department when avoiding the overcurrent, and then guaranteed the life of copper bar, improved the security performance of circuit breaker.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the first copper bar and the second copper bar according to the present utility model;

FIG. 3 is a schematic view showing a second copper bar and insulation cover separation structure according to the present utility model;

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. a circuit breaker housing; 2. a phase separator; 3. a mounting groove; 4. a first copper bar; 5. a second copper bar; 6. an insulating cover; 7. a first terminal interface; 8. a U-shaped plate; 9. and a second terminal interface.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

1-3, Which are schematic structural views of a recloser circuit breaker according to a preferred embodiment of the present utility model;

In this embodiment, including circuit breaker casing 1, circuit breaker casing 1 is inside to be provided with a plurality of looks baffles 2, the baffle 2 with form a plurality of mounting grooves 3 between the circuit breaker casing 1, be provided with first copper bar 4 and second copper bar 5 in the mounting groove 3, second copper bar 5 is related to first copper bar 4 left and right sides symmetry is provided with two sets of, first copper bar 4 with second copper bar 5 is not in same horizontal plane height and is the staggered arrangement after the installation is accomplished, second copper bar 5 all is provided with insulating cover 6, plays the insulating effect to second copper bar 5 and first copper bar 4 adjacent department through insulating cover 6.

In this embodiment, the first copper bar 4 is in a straight-line structure, a first terminal interface 7 is disposed at one end of the first copper bar 4, and an integrated structure is formed between the first copper bar 4 and the first terminal interface 7. The setting that second copper bar 5 one end was provided with U template 8,U template 8 is in playing the role of keeping away other components, the U template 8 other end is provided with second terminal interface 9, be integrated into one piece structure between second copper bar 5, U template 8, the second terminal interface 9. The insulating cover 6 is nested to be located through the card the U template 8 is outside, the insulating cover 6 with U template 8 shape is the same, insulating cover 6 inner wall surface with the inseparable laminating of U template 8 external surface, insulating cover 6 is detachable structural installation and is convenient for follow-up change. The corners at two ends of the U-shaped plate 8 are provided with arc chamfers, and the arc chamfers are used for avoiding scratching operators during assembly.

The reclosing circuit breaker is arranged in a common mechanical mode, and can be implemented only by achieving the beneficial effects.

The technology of the present utility model, which is not described in detail, is well known in the art, and the present utility model can be conveniently implemented by those skilled in the art on the basis of the present specification, and what is shown in the accompanying drawings is a part of the present specification.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a reclosing circuit breaker which characterized in that: including circuit breaker casing (1), circuit breaker casing (1) inside is provided with a plurality of looks baffles (2), separate baffle (2) with form a plurality of mounting grooves (3) between circuit breaker casing (1), be provided with first copper bar (4) and second copper bar (5) in mounting groove (3), second copper bar (5) are about first copper bar (4) left and right sides symmetry is provided with two sets of, second copper bar (5) all are provided with insulating boot (6).

2. The reclosing circuit breaker of claim 1, wherein: the first copper bar (4) is of a straight-line structure, and a first terminal interface (7) is arranged at one end of the first copper bar (4).

3. The reclosing circuit breaker of claim 1, wherein: one end of the second copper bar (5) is provided with a U-shaped plate (8), and the other end of the U-shaped plate (8) is provided with a second terminal interface (9).

4. A reclosing circuit breaker according to claim 3 wherein: the insulation cover (6) is nested to be arranged outside the U-shaped plate (8) through the clamp, and the inner wall surface of the insulation cover (6) is tightly attached to the outer surface of the U-shaped plate (8).

5. A reclosing circuit breaker according to claim 3 wherein: the corners of the two ends of the U-shaped plate (8) are provided with arc chamfers.